F9 2350 then UA 5233 at Denver
Las Vegas → Denver → Amarillo
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
14:10UA 5233 to Amarillo leaves the gate
23 h 29 apart on the timetable, overnight
UA 5233 leaves 23 h 29 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.